Answer :

To find: Two geometric Mean


Given: The numbers are 9 and 243


Formula used: (i) r , where n is the number of


geometric mean


Let G1 and G2 be the three geometric mean


Then r


r


r


r


r = 3


G1 = ar = 9×3 = 27


G2 = ar2= 9×32 = 9×9 = 81


Two geometric mean between 9 and 243 are 27 and 81.


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